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[NFC][OpenMP] Add tests for mapping pointers and their dereferences. #146934

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[NFC][OpenMP] Add tests for mapping pointers and their dereferences. #146934

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[NFC][OpenMP] Add tests for mapping pointers and their dereferences.
abhinavgaba Jul 3, 2025
15e7d50
Minor clang-format fix.
abhinavgaba Jul 3, 2025
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355 changes: 199 additions & 156 deletions clang/test/OpenMP/target_map_both_pointer_pointee_codegen.cpp
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212 changes: 212 additions & 0 deletions clang/test/OpenMP/target_map_both_pointer_pointee_codegen_global.cpp
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Original file line number Diff line number Diff line change
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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --check-globals --filter-out-after "getelem.*kernel" --filter-out "= alloca.*" --include-generated-funcs --replace-value-regex "__omp_offloading_[0-9a-z]+_[0-9a-z]+" "reduction_size[.].+[.]" "pl_cond[.].+[.|,]" --prefix-filecheck-ir-name _ --global-value-regex "\.offload_.*" --global-hex-value-regex ".offload_maptypes.*"
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s

// expected-no-diagnostics
#ifndef HEADER
#define HEADER

int *ptr;

void f1() {
// &ptr, &ptr, sizeof(ptr), TO | PARAM
#pragma omp target map(ptr)
ptr[1] = 5;
}

void f2() {
// &ptr, &ptr[2], sizeof(ptr[2]), TO | FROM | PARAM | PTR_AND_OBJ
#pragma omp target map(ptr[2])
ptr[1] = 6;
}

void f3() {
// &ptr, &ptr[0], sizeof(ptr[0:2]), TO | FROM | PARAM | PTR_AND_OBJ
#pragma omp target map(ptr, ptr[0:2])
ptr[1] = 7;
}

void f4() {
// &ptr, &ptr[2], sizeof(ptr[2]), TO | FROM | PARAM | PTR_AND_OBJ
#pragma omp target map(ptr, ptr[2])
ptr[2] = 8;
}

void f5() {
// &ptr, &ptr[2], sizeof(ptr[2]), TO | FROM | PARAM | PTR_AND_OBJ
#pragma omp target data map(ptr[2], ptr)
ptr[2] = 9;
}

void f6() {
// &ptr, &ptr[0], sizeof(ptr[2]), TO | FROM | PARAM | PTR_AND_OBJ
#pragma omp target data map(ptr, ptr[2])
ptr[2] = 10;
}
#endif
//.
// CHECK: @.offload_sizes = private unnamed_addr constant [1 x i64] [i64 8]
// CHECK: @.offload_maptypes = private unnamed_addr constant [1 x i64] [i64 [[#0x23]]]
// CHECK: @.offload_sizes.1 = private unnamed_addr constant [1 x i64] [i64 4]
// CHECK: @.offload_maptypes.2 = private unnamed_addr constant [1 x i64] [i64 [[#0x33]]]
// CHECK: @.offload_sizes.3 = private unnamed_addr constant [1 x i64] [i64 8]
// CHECK: @.offload_maptypes.4 = private unnamed_addr constant [1 x i64] [i64 [[#0x33]]]
// CHECK: @.offload_sizes.5 = private unnamed_addr constant [1 x i64] [i64 4]
// CHECK: @.offload_maptypes.6 = private unnamed_addr constant [1 x i64] [i64 [[#0x33]]]
// CHECK: @.offload_sizes.7 = private unnamed_addr constant [1 x i64] [i64 4]
// CHECK: @.offload_maptypes.8 = private unnamed_addr constant [1 x i64] [i64 [[#0x33]]]
// CHECK: @.offload_sizes.9 = private unnamed_addr constant [1 x i64] [i64 4]
// CHECK: @.offload_maptypes.10 = private unnamed_addr constant [1 x i64] [i64 [[#0x33]]]
//.
// CHECK-LABEL: define {{[^@]+}}@_Z2f1v
// CHECK-SAME: () #[[ATTR0:[0-9]+]] {
// CHECK: entry:
// CHECK: [[TMP0:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP0]], align 8
// CHECK: [[TMP1:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP1]], align 8
// CHECK: [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_MAPPERS:%.*]], i64 0, i64 0
// CHECK: store ptr null, ptr [[TMP2]], align 8
// CHECK: [[TMP3:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP4:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: [[TMP5:%.*]] = getelementptr inbounds nuw [[STRUCT___TGT_KERNEL_ARGUMENTS:%.*]], ptr [[KERNEL_ARGS:%.*]], i32 0, i32 0
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z2f1v_l14
// CHECK-SAME: (ptr noundef nonnull align 8 dereferenceable(8) [[PTR:%.*]]) #[[ATTR1:[0-9]+]] {
// CHECK: entry:
// CHECK: store ptr [[PTR]], ptr [[PTR_ADDR:%.*]], align 8
// CHECK: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !nonnull [[META11:![0-9]+]], !align [[META12:![0-9]+]]
// CHECK: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 1
// CHECK: store i32 5, ptr [[ARRAYIDX]], align 4
// CHECK: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@_Z2f2v
// CHECK-SAME: () #[[ATTR0]] {
// CHECK: entry:
// CHECK: [[TMP0:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[TMP1:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 2
// CHECK: [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP2]], align 8
// CHECK: [[TMP3:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS:%.*]], i32 0, i32 0
// CHECK: store ptr [[ARRAYIDX]], ptr [[TMP3]], align 8
// CHECK: [[TMP4:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_MAPPERS:%.*]], i64 0, i64 0
// CHECK: store ptr null, ptr [[TMP4]], align 8
// CHECK: [[TMP5:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP6:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: [[TMP7:%.*]] = getelementptr inbounds nuw [[STRUCT___TGT_KERNEL_ARGUMENTS:%.*]], ptr [[KERNEL_ARGS:%.*]], i32 0, i32 0
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z2f2v_l20
// CHECK-SAME: (ptr noundef [[PTR:%.*]]) #[[ATTR1]] {
// CHECK: entry:
// CHECK: store ptr [[PTR]], ptr [[PTR_ADDR:%.*]], align 8
// CHECK: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP0]], i64 1
// CHECK: store i32 6, ptr [[ARRAYIDX]], align 4
// CHECK: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@_Z2f3v
// CHECK-SAME: () #[[ATTR0]] {
// CHECK: entry:
// CHECK: [[TMP0:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[TMP1:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[TMP1]], i64 0
// CHECK: [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP2]], align 8
// CHECK: [[TMP3:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS:%.*]], i32 0, i32 0
// CHECK: store ptr [[ARRAYIDX]], ptr [[TMP3]], align 8
// CHECK: [[TMP4:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_MAPPERS:%.*]], i64 0, i64 0
// CHECK: store ptr null, ptr [[TMP4]], align 8
// CHECK: [[TMP5:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP6:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: [[TMP7:%.*]] = getelementptr inbounds nuw [[STRUCT___TGT_KERNEL_ARGUMENTS:%.*]], ptr [[KERNEL_ARGS:%.*]], i32 0, i32 0
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z2f3v_l26
// CHECK-SAME: (ptr noundef [[PTR:%.*]]) #[[ATTR1]] {
// CHECK: entry:
// CHECK: store ptr [[PTR]], ptr [[PTR_ADDR:%.*]], align 8
// CHECK: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP0]], i64 1
// CHECK: store i32 7, ptr [[ARRAYIDX]], align 4
// CHECK: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@_Z2f4v
// CHECK-SAME: () #[[ATTR0]] {
// CHECK: entry:
// CHECK: [[TMP0:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[TMP1:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 2
// CHECK: [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP2]], align 8
// CHECK: [[TMP3:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS:%.*]], i32 0, i32 0
// CHECK: store ptr [[ARRAYIDX]], ptr [[TMP3]], align 8
// CHECK: [[TMP4:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_MAPPERS:%.*]], i64 0, i64 0
// CHECK: store ptr null, ptr [[TMP4]], align 8
// CHECK: [[TMP5:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP6:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: [[TMP7:%.*]] = getelementptr inbounds nuw [[STRUCT___TGT_KERNEL_ARGUMENTS:%.*]], ptr [[KERNEL_ARGS:%.*]], i32 0, i32 0
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z2f4v_l32
// CHECK-SAME: (ptr noundef [[PTR:%.*]]) #[[ATTR1]] {
// CHECK: entry:
// CHECK: store ptr [[PTR]], ptr [[PTR_ADDR:%.*]], align 8
// CHECK: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP0]], i64 2
// CHECK: store i32 8, ptr [[ARRAYIDX]], align 4
// CHECK: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@_Z2f5v
// CHECK-SAME: () #[[ATTR0]] {
// CHECK: entry:
// CHECK: [[TMP0:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP0]], i64 2
// CHECK: [[TMP1:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP1]], align 8
// CHECK: [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS:%.*]], i32 0, i32 0
// CHECK: store ptr [[ARRAYIDX]], ptr [[TMP2]], align 8
// CHECK: [[TMP3:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_MAPPERS:%.*]], i64 0, i64 0
// CHECK: store ptr null, ptr [[TMP3]], align 8
// CHECK: [[TMP4:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP5:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: call void @__tgt_target_data_begin_mapper(ptr @[[GLOB1:[0-9]+]], i64 -1, i32 1, ptr [[TMP4]], ptr [[TMP5]], ptr @.offload_sizes.7, ptr @.offload_maptypes.8, ptr null, ptr null)
// CHECK: [[TMP6:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[TMP6]], i64 2
// CHECK: store i32 9, ptr [[ARRAYIDX1]], align 4
// CHECK: [[TMP7:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP8:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: call void @__tgt_target_data_end_mapper(ptr @[[GLOB1]], i64 -1, i32 1, ptr [[TMP7]], ptr [[TMP8]], ptr @.offload_sizes.7, ptr @.offload_maptypes.8, ptr null, ptr null)
// CHECK: ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@_Z2f6v
// CHECK-SAME: () #[[ATTR0]] {
// CHECK: entry:
// CHECK: [[TMP0:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP0]], i64 2
// CHECK: [[TMP1:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS:%.*]], i32 0, i32 0
// CHECK: store ptr @ptr, ptr [[TMP1]], align 8
// CHECK: [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS:%.*]], i32 0, i32 0
// CHECK: store ptr [[ARRAYIDX]], ptr [[TMP2]], align 8
// CHECK: [[TMP3:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_MAPPERS:%.*]], i64 0, i64 0
// CHECK: store ptr null, ptr [[TMP3]], align 8
// CHECK: [[TMP4:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP5:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: call void @__tgt_target_data_begin_mapper(ptr @[[GLOB1]], i64 -1, i32 1, ptr [[TMP4]], ptr [[TMP5]], ptr @.offload_sizes.9, ptr @.offload_maptypes.10, ptr null, ptr null)
// CHECK: [[TMP6:%.*]] = load ptr, ptr @ptr, align 8
// CHECK: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[TMP6]], i64 2
// CHECK: store i32 10, ptr [[ARRAYIDX1]], align 4
// CHECK: [[TMP7:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[TMP8:%.*]] = getelementptr inbounds [1 x ptr], ptr [[DOTOFFLOAD_PTRS]], i32 0, i32 0
// CHECK: call void @__tgt_target_data_end_mapper(ptr @[[GLOB1]], i64 -1, i32 1, ptr [[TMP7]], ptr [[TMP8]], ptr @.offload_sizes.9, ptr @.offload_maptypes.10, ptr null, ptr null)
// CHECK: ret void
//
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